42-013-36073

PRODUCING Horizontal

4K BLACK HILLS UNIT B

ATASCOSA County · District 1 · TRAILBLAZER ENERGY RESOURCES LLC · EAGLEVILLE (EAGLE FORD-1)

Permits

2

Max Depth

9,000 ft

First Permit

2023-08-29

Latest Activity

2023-08-29

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2024-12-03

Shut-In

Plugged

P-5 Org Status: Active

!

EWA / Permit operator mismatch

Scheduling: TRAILBLAZER ENERGY RESOURCES LLC ≠ Permit: PILLAR EFS, LLC

Resolved via: productionTRAILBLAZER ENERGY RESOURCES,LLC

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2024-12

Last Production

2026-07

Lease Production

Production is reported at the lease level. View production data, decline curves, and history on the lease page.

Formation Tops (10) Elevation 350 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
QUEEN CITY 1,143 ft-793 ft
REKLAW 1,834 ft-1,484 ft
CARRIZO 2,003 ft-1,653 ft
WILCOX - DISPOSAL (Wilcox)2,991 ft-2,641 ft
NAVARRO - H2S (Navarro)5,646 ft-5,296 ft
OLMOS - DISPOSAL (Olmos)6,216 ft-5,866 ft
ANACACHO - H2S (Anacacho)7,466 ft-7,116 ft
AUSTIN CHALK - H2S, DISPOSAL (Austin Chalk)7,669 ft-7,319 ft
BARTOSH
ESCONDIDO - H2S, DISPOSAL (Escondido)

As reported by operators on W-2/G-1 completion filings (RRC wellbore records). Depths are measured depth; names appear as filed. Subsea = reported elevation − measured depth (negative = below sea level; vertical wellbores only). View filings & logs at RRC ↗

Offset Well Tops (nearest 8 wells with tops)

What nearby completed wells reported.

Cross-section
42-013-36072 4K BLACK HILLS UNIT B · PILLAR EFS, LLC
0.0 mi
Reklaw 1,793'Carrizo 1,963'Wilcox 2,955'Navarro 5,621'Olmos 6,251'Anacacho 7,491'Austin Chalk 7,700'Escondido Bartosh Queen City
42-013-36071 4K BLACK HILLS UNIT A · PILLAR EFS, LLC
0.0 mi
Wilcox 2,964'Navarro 5,606'Olmos 6,254'Anacacho 7,562'Austin Chalk 7,775'Bartosh Reklaw Carrizo Queen City Escondido
42-013-35984 FOREIGNER 19H · TRINITY OPERATING (USG), LLC
2.3 mi
Anacacho 7,789'Austin Chalk 7,993'Escondido Reklaw Bartosh Carrizo Olmos Queen City Wilcox Navarro
42-013-35986 FOREIGNER 21H · TRINITY OPERATING (USG), LLC
2.3 mi
Escondido 6,131'Olmos 6,832'Eagle Ford 8,380'Carrizo Anacacho Queen City Wilcox Reklaw Navarro Bartosh Austin Chalk
42-013-35985 FOREIGNER 20H · TRINITY OPERATING (USG), LLC
2.3 mi
Midway 5,195'Escondido 6,108'Olmos 6,827'Anacacho 7,844'Austin Chalk 8,008'Bartosh Navarro Reklaw Carrizo Queen City Wilcox
42-013-35990 THE EAGLES 18H · TRINITY OPERATING (USG), LLC
2.6 mi
Midway 5,142'Escondido 6,162'San Miguel 6,703'Olmos 6,703'Anacacho 7,776'Queen City Reklaw Bartosh Carrizo Wilcox Navarro
42-013-35989 THE EAGLES 17H · TRINITY OPERATING (USG), LLC
2.6 mi
Escondido 6,037'Olmos 6,738'Anacacho 7,777'Austin Chalk 7,936'Eagle Ford 8,234'Eagle Ford 8,269'Navarro Bartosh Carrizo Queen City Wilcox Reklaw
42-013-36047 ACDC · TRINITY OPERATING (USG), LLC
2.7 mi
Eagle Ford 8,430'Eagle Ford 8,510'Austin Chalk Carrizo Anacacho Escondido Olmos Queen City Wilcox Reklaw Navarro Bartosh

Nearest wells within 10 mi (surface locations). Click wells to select them, then open the cross-section to compare tops side by side (max 6 wells per section, including this one).

Perforations (2)

IntervalType
8,475–15,451 ftPerforated
15,922–17,066 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"4,805 ft1,406 sx
5.5"17,095 ft3,371 sx

Permit History (2)

Applications (2)

#893162 A PILLAR EFS, LLC
received 2024-11-05
#893162 A PILLAR EFS, LLC
received 2023-08-22

Records & Logs

1 completion filing on record · 1 with log images at RRC.

W-2/G-1 2025-02-03 log on file

Completion packets open directly (post-2011 filings include attached logs). Log images can't be deep-linked — clicking copies the API for you to paste.

Lat 28.950260
Lon -98.300555

Well Details

Well Number
2H
Max Depth
9,000 ft
Drill Type
Horizontal
County
ATASCOSA
District
1
Completed
2024-12-03

Operator

Location
TULSA
P-5 Status
Active (filed 2025-10-16)
Cum Oil (all leases)
2,366,578 bbl
Cum Gas (all leases)
3,279,529 mcf
Activities
CSGD/G, CSGD/P, G/PUR, GTHS/G, OPRS/G, OPRS/O
Total Permits
28